814345 has 16 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 546624.

The previous prime is 814337. The next prime is 814367. The reversal of 814345 is 543418.

It is a cyclic number.

It is not a de Polignac number, because 814345 - 2³ = 814337 is a prime.

It is an alternating number because its digits alternate between even and odd.

814345 is a lucky number.

It is a plaindrome in base 15.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2⁸¹⁴³⁴⁵ is an apocalyptic number.

It is an amenable number.

814345 is a deficient number, since it is larger than the sum of its proper divisors (326135).

814345 is a wasteful number, since it uses less digits than its factorization.

814345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its digits is 1920, while the sum is 25.

The square root of 814345 is about 902.4106603980. The cubic root of 814345 is about 93.3833561216.

The spelling of 814345 in words is "eight hundred fourteen thousand, three hundred forty-five".